Bagless upright vacuum cleaner



FIG. 1 is a perspective view of a bagless upright vacuum cleaner showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is an enlarged top plan view thereof.

The details shown in broken lines are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a bagless upright vacuum cleaner, as shown and described. 